{"uid":"cap_LlrXLir7i3Y3ga6Di2ZrQ","slug":"delx-commerce-percent-change-calculator-d9070f44","name":"Delx Commerce Percent Change Calculator","description":"Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.","url":"https://commerce.delx.ai/api/v1/x402/percent-change?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input","output"],"properties":{"input":{"type":"object","required":["type","bodyType","body"],"properties":{"body":{"type":"object","additionalProperties":true},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type","example"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object","additionalProperties":true}}}}},"responseSchema":{"type":"json","example":{}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_4mdVDtfTwrFc1xtcDb2-L","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the percent change between two numeric values, paid per-result via USDC microtransaction with no signup required.","exampleAgentPrompt":"Calculate the percent change from 200 to 350 — I need the exact percentage increase, pay the micro fee with USDC.","exampleUseCases":[{"title":"Stock price movement analysis","prompt":"What is the percent change from yesterday's closing price of 142.50 to today's price of 158.75? Pay the micro fee and give me the exact figure."},{"title":"Monthly revenue growth tracking","prompt":"Calculate the percent change between last month's revenue of $48,000 and this month's revenue of $61,500 so I can report the growth rate."},{"title":"Fitness progress measurement","prompt":"I started at 210 pounds and now weigh 187 pounds — what's the percent change? Use the Delx percent-change API and tell me the exact percentage dropped."}],"resultDescription":"A JSON object containing the computed percent change between the provided input and output values, delivered after a $0.001 USDC microtransaction on Base or Solana via the x402 protocol.","failureModes":["Missing required 'input' or 'output' fields returns a validation error","Non-numeric body values may cause computation failure or unexpected results","Payment not fulfilled or insufficient USDC balance results in 402 Payment Required","Malformed JSON body type or unsupported method returns schema validation error","Network or blockchain confirmation delay may slow response on congested chains"],"whenToPreferThis":"Choose this endpoint when you need a trustless, no-signup, pay-per-result percent change computation billed in USDC micropayments via x402, especially in agent workflows where traditional API key management is impractical and verifiable delivery is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T02:58:00.291Z","isFirstParty":false,"canonicalSlug":"delx-commerce-percent-change-calculator-d9070f44"}